* (C) Copyright 2002
* Rich Ireland, Enterasys Networks, rireland@enterasys.com.
*
- * SPDX-License-Identifier: GPL-2.0+
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
*/
-/* Generic FPGA support */
+/*
+ * Generic FPGA support
+ */
#include <common.h> /* core U-Boot definitions */
#include <xilinx.h> /* xilinx specific definitions */
#include <altera.h> /* altera specific definitions */
#include <lattice.h>
+#if 0
+#define FPGA_DEBUG /* define FPGA_DEBUG to get debug messages */
+#endif
+
/* Local definitions */
#ifndef CONFIG_MAX_FPGA_DEVICES
#define CONFIG_MAX_FPGA_DEVICES 5
#endif
+/* Enable/Disable debug console messages */
+#ifdef FPGA_DEBUG
+#define PRINTF(fmt,args...) printf (fmt ,##args)
+#else
+#define PRINTF(fmt,args...)
+#endif
+
/* Local static data */
static int next_desc = FPGA_INVALID_DEVICE;
static fpga_desc desc_table[CONFIG_MAX_FPGA_DEVICES];
-/*
- * fpga_no_sup
+/* Local static functions */
+static __attribute__((__const__)) fpga_desc * __attribute__((__const__)) fpga_get_desc( int devnum );
+static __attribute__((__const__)) fpga_desc * __attribute__((__const__)) fpga_validate( int devnum, void *buf,
+ size_t bsize, char *fn );
+static int fpga_dev_info( int devnum );
+
+
+/* ------------------------------------------------------------------------- */
+
+/* fpga_no_sup
* 'no support' message function
*/
-static void fpga_no_sup(char *fn, char *msg)
+static void fpga_no_sup( char *fn, char *msg )
{
- if (fn && msg)
- printf("%s: No support for %s.\n", fn, msg);
- else if (msg)
- printf("No support for %s.\n", msg);
- else
- printf("No FPGA suport!\n");
+ if ( fn && msg ) {
+ printf( "%s: No support for %s.\n", fn, msg);
+ } else if ( msg ) {
+ printf( "No support for %s.\n", msg);
+ } else {
+ printf( "No FPGA suport!\n");
+ }
}
/* fpga_get_desc
* map a device number to a descriptor
*/
-static const fpga_desc *const fpga_get_desc(int devnum)
+static __attribute__((__const__)) fpga_desc * __attribute__((__const__)) fpga_get_desc( int devnum )
{
- fpga_desc *desc = (fpga_desc *)NULL;
+ fpga_desc *desc = (fpga_desc * )NULL;
- if ((devnum >= 0) && (devnum < next_desc)) {
+ if (( devnum >= 0 ) && (devnum < next_desc )) {
desc = &desc_table[devnum];
- debug("%s: found fpga descriptor #%d @ 0x%p\n",
- __func__, devnum, desc);
+ PRINTF( "%s: found fpga descriptor #%d @ 0x%p\n",
+ __FUNCTION__, devnum, desc );
}
return desc;
}
-/*
- * fpga_validate
+
+/* fpga_validate
* generic parameter checking code
*/
-const fpga_desc *const fpga_validate(int devnum, const void *buf,
- size_t bsize, char *fn)
+static __attribute__((__const__)) fpga_desc * __attribute__((__const__)) fpga_validate( int devnum, void *buf,
+ size_t bsize, char *fn )
{
- const fpga_desc *desc = fpga_get_desc(devnum);
+ fpga_desc * desc = fpga_get_desc( devnum );
- if (!desc)
- printf("%s: Invalid device number %d\n", fn, devnum);
+ if ( !desc ) {
+ printf( "%s: Invalid device number %d\n", fn, devnum );
+ }
- if (!buf) {
- printf("%s: Null buffer.\n", fn);
+ if ( !buf ) {
+ printf( "%s: Null buffer.\n", fn );
return (fpga_desc * const)NULL;
}
return desc;
}
-/*
- * fpga_dev_info
+
+/* fpga_dev_info
* generic multiplexing code
*/
-static int fpga_dev_info(int devnum)
+static int fpga_dev_info( int devnum )
{
- int ret_val = FPGA_FAIL; /* assume failure */
- const fpga_desc * const desc = fpga_get_desc(devnum);
+ int ret_val = FPGA_FAIL; /* assume failure */
+ const fpga_desc * const desc = fpga_get_desc( devnum );
- if (desc) {
- debug("%s: Device Descriptor @ 0x%p\n",
- __func__, desc->devdesc);
+ if ( desc ) {
+ PRINTF( "%s: Device Descriptor @ 0x%p\n",
+ __FUNCTION__, desc->devdesc );
- switch (desc->devtype) {
+ switch ( desc->devtype ) {
case fpga_xilinx:
#if defined(CONFIG_FPGA_XILINX)
- printf("Xilinx Device\nDescriptor @ 0x%p\n", desc);
- ret_val = xilinx_info(desc->devdesc);
+ printf( "Xilinx Device\nDescriptor @ 0x%p\n", desc );
+ ret_val = xilinx_info( desc->devdesc );
#else
- fpga_no_sup((char *)__func__, "Xilinx devices");
+ fpga_no_sup( (char *)__FUNCTION__, "Xilinx devices" );
#endif
break;
case fpga_altera:
#if defined(CONFIG_FPGA_ALTERA)
- printf("Altera Device\nDescriptor @ 0x%p\n", desc);
- ret_val = altera_info(desc->devdesc);
+ printf( "Altera Device\nDescriptor @ 0x%p\n", desc );
+ ret_val = altera_info( desc->devdesc );
#else
- fpga_no_sup((char *)__func__, "Altera devices");
+ fpga_no_sup( (char *)__FUNCTION__, "Altera devices" );
#endif
break;
case fpga_lattice:
printf("Lattice Device\nDescriptor @ 0x%p\n", desc);
ret_val = lattice_info(desc->devdesc);
#else
- fpga_no_sup((char *)__func__, "Lattice devices");
+ fpga_no_sup( (char *)__FUNCTION__, "Lattice devices" );
#endif
break;
default:
- printf("%s: Invalid or unsupported device type %d\n",
- __func__, desc->devtype);
+ printf( "%s: Invalid or unsupported device type %d\n",
+ __FUNCTION__, desc->devtype );
}
} else {
- printf("%s: Invalid device number %d\n", __func__, devnum);
+ printf( "%s: Invalid device number %d\n",
+ __FUNCTION__, devnum );
}
return ret_val;
}
-/*
- * fgpa_init is usually called from misc_init_r() and MUST be called
+
+/* ------------------------------------------------------------------------- */
+/* fgpa_init is usually called from misc_init_r() and MUST be called
* before any of the other fpga functions are used.
*/
void fpga_init(void)
{
next_desc = 0;
- memset(desc_table, 0, sizeof(desc_table));
+ memset( desc_table, 0, sizeof(desc_table));
- debug("%s\n", __func__);
+ PRINTF( "%s: CONFIG_FPGA = 0x%x\n", __FUNCTION__, CONFIG_FPGA );
}
-/*
- * fpga_count
+/* fpga_count
* Basic interface function to get the current number of devices available.
*/
-int fpga_count(void)
+int fpga_count( void )
{
return next_desc;
}
-/*
- * fpga_add
+/* fpga_add
* Add the device descriptor to the device table.
*/
-int fpga_add(fpga_type devtype, void *desc)
+int fpga_add( fpga_type devtype, void *desc )
{
int devnum = FPGA_INVALID_DEVICE;
- if (next_desc < 0) {
- printf("%s: FPGA support not initialized!\n", __func__);
- } else if ((devtype > fpga_min_type) && (devtype < fpga_undefined)) {
- if (desc) {
- if (next_desc < CONFIG_MAX_FPGA_DEVICES) {
+ if ( next_desc < 0 ) {
+ printf( "%s: FPGA support not initialized!\n", __FUNCTION__ );
+ } else if (( devtype > fpga_min_type ) && ( devtype < fpga_undefined )) {
+ if ( desc ) {
+ if ( next_desc < CONFIG_MAX_FPGA_DEVICES ) {
devnum = next_desc;
desc_table[next_desc].devtype = devtype;
desc_table[next_desc++].devdesc = desc;
} else {
- printf("%s: Exceeded Max FPGA device count\n",
- __func__);
+ printf( "%s: Exceeded Max FPGA device count\n", __FUNCTION__ );
}
} else {
- printf("%s: NULL device descriptor\n", __func__);
+ printf( "%s: NULL device descriptor\n", __FUNCTION__ );
}
} else {
- printf("%s: Unsupported FPGA type %d\n", __func__, devtype);
+ printf( "%s: Unsupported FPGA type %d\n", __FUNCTION__, devtype );
}
return devnum;
}
/*
- * Convert bitstream data and load into the fpga
+ * Generic multiplexing code
*/
-int __weak fpga_loadbitstream(int devnum, char *fpgadata, size_t size)
-{
- printf("Bitstream support not implemented for this FPGA device\n");
- return FPGA_FAIL;
-}
-
-/*
- * Generic multiplexing code
- */
-int fpga_load(int devnum, const void *buf, size_t bsize)
+int fpga_load( int devnum, void *buf, size_t bsize )
{
int ret_val = FPGA_FAIL; /* assume failure */
- const fpga_desc *desc = fpga_validate(devnum, buf, bsize,
- (char *)__func__);
+ fpga_desc * desc = fpga_validate( devnum, buf, bsize, (char *)__FUNCTION__ );
- if (desc) {
- switch (desc->devtype) {
+ if ( desc ) {
+ switch ( desc->devtype ) {
case fpga_xilinx:
#if defined(CONFIG_FPGA_XILINX)
- ret_val = xilinx_load(desc->devdesc, buf, bsize);
+ ret_val = xilinx_load( desc->devdesc, buf, bsize );
#else
- fpga_no_sup((char *)__func__, "Xilinx devices");
+ fpga_no_sup( (char *)__FUNCTION__, "Xilinx devices" );
#endif
break;
case fpga_altera:
#if defined(CONFIG_FPGA_ALTERA)
- ret_val = altera_load(desc->devdesc, buf, bsize);
+ ret_val = altera_load( desc->devdesc, buf, bsize );
#else
- fpga_no_sup((char *)__func__, "Altera devices");
+ fpga_no_sup( (char *)__FUNCTION__, "Altera devices" );
#endif
break;
case fpga_lattice:
#if defined(CONFIG_FPGA_LATTICE)
ret_val = lattice_load(desc->devdesc, buf, bsize);
#else
- fpga_no_sup((char *)__func__, "Lattice devices");
+ fpga_no_sup( (char *)__FUNCTION__, "Lattice devices" );
#endif
break;
default:
- printf("%s: Invalid or unsupported device type %d\n",
- __func__, desc->devtype);
+ printf( "%s: Invalid or unsupported device type %d\n",
+ __FUNCTION__, desc->devtype );
}
}
return ret_val;
}
-/*
- * fpga_dump
+/* fpga_dump
* generic multiplexing code
*/
-int fpga_dump(int devnum, const void *buf, size_t bsize)
+int fpga_dump( int devnum, void *buf, size_t bsize )
{
int ret_val = FPGA_FAIL; /* assume failure */
- const fpga_desc *desc = fpga_validate(devnum, buf, bsize,
- (char *)__func__);
+ fpga_desc * desc = fpga_validate( devnum, buf, bsize, (char *)__FUNCTION__ );
- if (desc) {
- switch (desc->devtype) {
+ if ( desc ) {
+ switch ( desc->devtype ) {
case fpga_xilinx:
#if defined(CONFIG_FPGA_XILINX)
- ret_val = xilinx_dump(desc->devdesc, buf, bsize);
+ ret_val = xilinx_dump( desc->devdesc, buf, bsize );
#else
- fpga_no_sup((char *)__func__, "Xilinx devices");
+ fpga_no_sup( (char *)__FUNCTION__, "Xilinx devices" );
#endif
break;
case fpga_altera:
#if defined(CONFIG_FPGA_ALTERA)
- ret_val = altera_dump(desc->devdesc, buf, bsize);
+ ret_val = altera_dump( desc->devdesc, buf, bsize );
#else
- fpga_no_sup((char *)__func__, "Altera devices");
+ fpga_no_sup( (char *)__FUNCTION__, "Altera devices" );
#endif
break;
case fpga_lattice:
#if defined(CONFIG_FPGA_LATTICE)
ret_val = lattice_dump(desc->devdesc, buf, bsize);
#else
- fpga_no_sup((char *)__func__, "Lattice devices");
+ fpga_no_sup( (char *)__FUNCTION__, "Lattice devices" );
#endif
break;
default:
- printf("%s: Invalid or unsupported device type %d\n",
- __func__, desc->devtype);
+ printf( "%s: Invalid or unsupported device type %d\n",
+ __FUNCTION__, desc->devtype );
}
}
return ret_val;
}
-/*
- * fpga_info
+
+/* fpga_info
* front end to fpga_dev_info. If devnum is invalid, report on all
* available devices.
*/
-int fpga_info(int devnum)
+int fpga_info( int devnum )
{
- if (devnum == FPGA_INVALID_DEVICE) {
- if (next_desc > 0) {
+ if ( devnum == FPGA_INVALID_DEVICE ) {
+ if ( next_desc > 0 ) {
int dev;
- for (dev = 0; dev < next_desc; dev++)
- fpga_dev_info(dev);
-
+ for ( dev = 0; dev < next_desc; dev++ ) {
+ fpga_dev_info( dev );
+ }
return FPGA_SUCCESS;
} else {
- printf("%s: No FPGA devices available.\n", __func__);
+ printf( "%s: No FPGA devices available.\n", __FUNCTION__ );
return FPGA_FAIL;
}
}
-
- return fpga_dev_info(devnum);
+ else return fpga_dev_info( devnum );
}
+
+/* ------------------------------------------------------------------------- */
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